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Updated: May 26, 2026

Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay
13:51

Detection of Small GTPase Prenylation and GTP Binding Using Membrane Fractionation and GTPase-linked Immunosorbent Assay

Published on: November 11, 2018

Transcriptional regulation of Rho GTPase signaling

Daniel R Croft1, Michael F Olson

  • 1The Beatson Institute for Cancer Research, Garscube Estate; Glasgow, UK.

Transcription
|January 11, 2012
PubMed

Insights

The transcription factor p53 controls the expression of Rho pathway molecules, which regulate cell structure. Cancer-associated p53 mutations disrupt this signaling, impacting cellular processes.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Cancer Biology

Background:

  • Rho GTPases are key regulators of the actin cytoskeleton and cellular functions.
  • The transcription factor p53 plays a critical role in cellular responses to stress and DNA damage.

Purpose of the Study:

  • To investigate the regulatory relationship between p53 and Rho GTPase signaling.
  • To understand how p53 mutations in cancer affect Rho pathway output.

Main Methods:

  • Analysis of gene expression data.
  • Bioinformatic analysis of signaling pathways.
  • Review of existing literature on p53 and Rho GTPases.

Main Results:

  • p53 directly regulates the expression of multiple Rho pathway signaling components.
  • Mutations in p53 observed in various cancers lead to aberrant Rho pathway signaling.
  • Disrupted Rho signaling impacts cellular processes controlled by p53.

Conclusions:

  • p53 is an important regulator of the Rho GTPase pathway.
  • p53 mutations contribute to cancer development by altering Rho-mediated cellular functions.
  • Targeting the p53-Rho axis may offer therapeutic strategies for cancer.

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